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EP3968432A4 - ELECTRODE AND ASSOCIATED BATTERY ASSEMBLY, DEVICE, MANUFACTURING METHOD AND MANUFACTURING DEVICE - Google Patents

ELECTRODE AND ASSOCIATED BATTERY ASSEMBLY, DEVICE, MANUFACTURING METHOD AND MANUFACTURING DEVICE Download PDF

Info

Publication number
EP3968432A4
EP3968432A4 EP20812212.7A EP20812212A EP3968432A4 EP 3968432 A4 EP3968432 A4 EP 3968432A4 EP 20812212 A EP20812212 A EP 20812212A EP 3968432 A4 EP3968432 A4 EP 3968432A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
electrode
battery assembly
associated battery
manufacturing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20812212.7A
Other languages
German (de)
French (fr)
Other versions
EP3968432B1 (en
EP3968432C0 (en
EP3968432A1 (en
Inventor
Chengdu Liang
Haizu Jin
Hu XU
Yuqun Zeng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Hong Kong Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Publication of EP3968432A1 publication Critical patent/EP3968432A1/en
Publication of EP3968432A4 publication Critical patent/EP3968432A4/en
Application granted granted Critical
Publication of EP3968432B1 publication Critical patent/EP3968432B1/en
Publication of EP3968432C0 publication Critical patent/EP3968432C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Primary Cells (AREA)
EP20812212.7A 2020-06-02 2020-06-02 Electrode assembly and related battery, device, manufacturing method, and manufacturing device Active EP3968432B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/094040 WO2021243583A1 (en) 2020-06-02 2020-06-02 Electrode assembly and related battery, device, manufacturing method, and manufacturing device

Publications (4)

Publication Number Publication Date
EP3968432A1 EP3968432A1 (en) 2022-03-16
EP3968432A4 true EP3968432A4 (en) 2022-06-01
EP3968432B1 EP3968432B1 (en) 2024-10-23
EP3968432C0 EP3968432C0 (en) 2024-10-23

Family

ID=78705548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20812212.7A Active EP3968432B1 (en) 2020-06-02 2020-06-02 Electrode assembly and related battery, device, manufacturing method, and manufacturing device

Country Status (6)

Country Link
US (1) US12126051B2 (en)
EP (1) EP3968432B1 (en)
JP (1) JP2023531331A (en)
KR (1) KR20230019375A (en)
CN (1) CN114503334A (en)
WO (1) WO2021243583A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE067564T2 (en) * 2021-02-09 2024-10-28 Contemporary Amperex Technology Hong Kong Ltd Electrode assembly and related battery, apparatus, manufacturing method, and manufacturing apparatus
CN114122327B (en) * 2022-01-29 2022-07-15 宁德时代新能源科技股份有限公司 A pole piece and a secondary battery having the same
JP7496851B2 (en) * 2022-03-11 2024-06-07 プライムプラネットエナジー＆ソリューションズ株式会社 Secondary battery
CN218448361U (en) * 2022-10-26 2023-02-03 宁德时代新能源科技股份有限公司 Winding type battery cell, battery assembly and power utilization device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090239133A1 (en) * 2007-03-12 2009-09-24 Shinichiro Kosugi Rolled electrode battery and manufacturing method therefor

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4723803B2 (en) * 2003-10-02 2011-07-13 株式会社東芝 Nonaqueous electrolyte secondary battery
CN2922148Y (en) * 2006-06-08 2007-07-11 潍坊光华电池有限公司 Power lithium ion cell
CN201207413Y (en) 2008-02-15 2009-03-11 宁波维科电池有限公司 Lamination coiling type lithium ionic cell core
JP4835956B2 (en) * 2008-07-02 2011-12-14 トヨタ自動車株式会社 battery
CN201408811Y (en) * 2009-05-27 2010-02-17 佛山市实达科技有限公司 Improved structure of high-power lithium ion battery
JP5459048B2 (en) * 2010-04-28 2014-04-02 三洋電機株式会社 Nonaqueous electrolyte secondary battery
CN202308207U (en) * 2011-10-27 2012-07-04 深圳市比克电池有限公司 Multi-pole-piece winding-type cell and square flexible-package lithium battery
WO2013095057A1 (en) * 2011-12-23 2013-06-27 주식회사 엘지화학 Jelly roll-type electrode assembly with active material pattern-coated thereon, and secondary battery having same
KR20130126579A (en) * 2012-03-14 2013-11-20 가부시키가이샤 히타치세이사쿠쇼 Nonaqueous electrolyte battery
CN104810561B (en) 2014-03-20 2018-06-19 万向一二三股份公司 A kind of preparation method of electric core of lithium ion power battery
JP6957837B2 (en) * 2016-04-08 2021-11-02 株式会社Ｇｓユアサ Power storage element
KR102264701B1 (en) * 2016-07-20 2021-06-11 삼성에스디아이 주식회사 Rechargeable battery
CN106025377B (en) * 2016-08-01 2019-02-12 东莞新能源科技有限公司 A wound battery
CN108281662B (en) 2017-01-12 2020-05-05 宁德时代新能源科技股份有限公司 Current collector, pole piece and battery thereof and application
CN109755462B (en) 2017-11-08 2021-01-12 宁德时代新能源科技股份有限公司 Positive pole piece, electrochemical device and safety coating
CN111900320B (en) 2017-11-22 2021-04-02 宁德时代新能源科技股份有限公司 Electrode assembly and rechargeable battery
CN209401755U (en) 2018-12-29 2019-09-17 宁德时代新能源科技股份有限公司 Electrode assembly, secondary cell and battery modules
CN111326699B (en) 2019-08-14 2021-11-09 宁德时代新能源科技股份有限公司 Secondary battery

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090239133A1 (en) * 2007-03-12 2009-09-24 Shinichiro Kosugi Rolled electrode battery and manufacturing method therefor

Also Published As

Publication number Publication date
KR20230019375A (en) 2023-02-08
EP3968432B1 (en) 2024-10-23
US20210376428A1 (en) 2021-12-02
CN114503334A (en) 2022-05-13
JP2023531331A (en) 2023-07-24
EP3968432C0 (en) 2024-10-23
US12126051B2 (en) 2024-10-22
EP3968432A1 (en) 2022-03-16
WO2021243583A1 (en) 2021-12-09

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